The utility model provides a support for battery, it suitably is fixed in the underframe with positioning element. Support for battery possesses underframe, location battery module for the positioning element of the position of the horizontal direction of underframe location and with underframe and the fixed clamping unit of positioning element. At least, partly rectangular form steel by extending along length direction of underframe constitute. Rectangular form steel possess upper surface portion, lower surface portion and side portion, in the cross -section with the length direction quadrature, are formed with the space between upper surface portion, lower surface portion and side portion. Clamping unit possesses: have to insert and lead to in the bolt of the axial region of first through -hole in the upper surface portion formed at rectangular form steel and the second through -hole on positioning element and position that first through -hole corresponds and the nut that closes with the axial region spiral shell of bolt. The head or the nut of bolt are located the space between upper surface portion, lower surface portion and the side portion. In the lower surface portion of rectangular form steel, be formed with the opening at least on the position that corresponds with first through -hole.